Drill wagons for use in tunneling or the like



' Sept. 17, 1957 J. P. DANIELssoN DRILL wAGoNs FoausE 1N TUNNELING oa THE LIKE Filed Aug. 2s, 1951 s sheets-'sheet 1 Sept. 17, .1957 J. P. DANIELssoN DRILL WAGONS FOR USE IN TUNNELING 0R THE LIKE Filed Aug. l215. 1951 5 Sheets-Sheet 2 Fig.9

ml ETO Sept. 17, 1957 J. P. DANIEL-ssoN u I 2,806,573

DRILL WAGONS FIOR USE'IN TUNNELING OR THE LIKE Filed Aug. 23, 1951 v 5 Sheets-Sheet 3 v WENTQR.

w 2,806,673 YPawrited Sept- 17 19.57

' vDRILL wAGoNs FOR USE 1N TUNNELING R THE LIKE Jan Patrik Danielsson, Stockholm, Sweden, assigner to Atlas' Copco Aktiebolag, a corporation of Sweden Application August 23, 195i, serial No. 243,339 claims piioriiy, application sweden september zo, 195e 7 Claims. (ci. ass- 51) platformgin the extended position of the platform, and

means on the platform for forming seats for feed legs of rock drills at various distances from the extreme end of the-platform. With the working platform completely supported :by the carriage such a drill wagon may easily be transported to a working place and when blasting of the rock shall take place away from the working place. Drills, drill bits and other equipment used in connection with the tunneling work may be placed on the working platform and lon the carriage in advance and may sometimes be connected in advance to suitable conduits for compressed air and pressure water provided in the carriage. All of the equipment necessary for drilling may consequently be forwarded to the working place by means vof the drill wagon according to the invention in such a way that the equipment may immediately be used by the drillers.

In the accompanying drawings one embodiment of a drill wagon according to the invention is illustrated -by way of example. Fig. l is a longitudinal `section of a part of a tunnel with a drill wagon according to the invention in working position. Fig. 2 is a horizontal section of the same tunnel and a plan view of the drill wagon disposed therein. Fig. 3 is an end View and partial section on lines III-III in Fig. l. Fig. 4 is a detail of a clamping'device for clamping the drill wagon to a rail. Figs. 5 and 6 show details of the hinging of auxiliary platforms connected to a main working platform. Figs. 7 to 9 illustrate details of the guiding and supporting structure for the working platform.

The drill wagon illustrated on the drawings consists of a light rail carriage 41 having pairs of wheels 2 running on rails 3 in a tunnel, a frame structure 4 forming a cage with, atrapezoidal cross section, and a drillers working platform.5. The working platform 5, which may preferably be disposed at a mans height, consists of spaced planking 6 securedto longitudinal beams 7. These beams are lsupported and guided by the upper side members of the frame structure 4 and rollers 8 journalled at one end of the frame structure 4. At the rear ends of both side beams 7 guide blocks 30 formed by short channel pieces, Figs..8 and 9, are provided at the under side of the beams 7, vsaidnguide blocks embracing the upper flange of the channels forming the upper side members ofthe frame structure 4. The working platform is slideable lengthwiseofthe carriage on the frame structure from a position not illustrated in the figures in which the working platform is supported completely by the frame structure 4 tthe 'positioriillustrated in the figures in which lthe workingjpl'tfm'isfextended from Vthe frame structure and supported 'thereoi'at one enc'l only. At the other end the 'working platform is provided with supporting means such as two yextensiblesupporting legs '9 by means of which the working platform is supported atthe free end, the right supporting leg only being illustrated in Fig. 3 Whereas the left one is broken away. Lock bolts 10 are provided in the rear portion of the working platform, asis'fbbvious'fromfFigs. 1,2 and 9 and may -bemoved intocorresporiding holes 27 in the upper side members of the' frame structure 4is`othat the working platform may be locked in extended position as well as in the position in which it is supported completely by the substructure. In workingposition'as well as in transportation position the working platform is thus preventedfrom moving relative toi the frame structure. The carriage 1 has a rail clamping means 11' provided thereon which consists of two jaws lz'capa'ble of grasping the yhead portion of the rail, and aflockinglririg' 1'3by`r neans of which the jaws may be locked onto the headl portion 'of the rail, as illustrated in Fig. 4.5.

Conduits 14,' 15 for'compressed air and pressure water, respectivelyf'areprovided in the carriage 1 these c011 duits leading 'to'"'tapping points 16, 17` below the' platformlevel at `the lower front end of the substructure and tappingpoints'18,19-at the platform level secured at the rear portion of the working platform 5 by brackets (not illustrated).'"'Thehoses of the drills 20, 21 may be connected'to these tapping points. Upon driving a tunnel of the size' for whi'chthe drill wagon according to the 'invention'is intended two drills may, for instance, be provided on the working platform 5 and two drills on the lgrounds() that four drills' may be operated simultaneous lyffor drilling-the'holes necessary for blasting the intended tunnel section. `*The lower ends 28 of the feed legs of the drills find `seats against the planking 6 in the spaces Y25 betweenl the planking. During transportation the drills may be disposed on the carriage and on the working platform where other necessary equipment such as drill bits or the like may also becarried. The whole equipmentnecessary for drilling vandblasting may according to the invention be'carried on the drill wagon. As soon as the working front is ready for drilling the drill wagon isforwarded to the working front where the equipment is immediately broughtqinto operation. When drilling is finished the drill wagon is moved away from the workingfront sothat blasting and removal of the loose rock 'may takel place. At-alsuitable distance from the working front a cave is provided in the side wall of the tunnel in which cave the drill wagon may be moved in order to' provide free passage for the transports of the loose rock. t l "lnfthe illustrated zembodiment the working platform is provided with leaves 22 at the sides by means of which the area of the working platform may be increased sideways;and which are secured to the. working-platform by means of hinges 23 (see Figs. 2, 5 and 6). In swung yout position the leaves are supported by bars 24 movable in. suitableholes in the beams 7 and of such length that theydo not project materially outside the confines of the platformV 5,1in retracted position of the bars 24. Members 26 on the leaves 22 form supports or seats against which the feed legs of the drills rest during drilling from the leaves.

The drill wagon above described and illustrated in the Ydrawings should only be considered as an example, and theI invention inaybemodied in several different ways within. the scope of the claims. Pneumatic or mechanical horizontal jacks or extensible members may be provided ongtheuplatforrn for stabilizing the platform sideways by engaging-the side wallsofzthe tunnel, one such jack only being illustrated in Fig. 3 swingable on a bolt 32 projecting forwardly at the upper end of the jack 9. The working platform may be provided with one supporting leg instead of two, as illustrated in Figs. l and 3, or with an extensible column which may be pressed towards the walls, the bottom and/ or the' roof. of the tunnel for sup-- porting the free end of the working platform. The drill wagon may be provided with pneumatic tires, runners or the like for enabling movement of the drill wagon on the ground.

What I claim is:

l. A drill wagon for driving tunnels in rock or similar material comprising a framework of about a mans height and of Vtrapezoid cross section having traction Wheels mounted at the small side of said cross section, a drillers working platform slidably mounted on said framework at about a mans height and at the large side of the cross section and movable, from a retracted position over said framework to an extended position outwardly ofl the framework with one end only supported on the framework, means at the opposite end of said working platform for engaging the rock to support said opposite end, extension platforms at the sides of the working platform movable from a position substantially within the horizontal area ofV said slidably mounted working platform to positions extending from the sides of said slidably mounted working platform, means for locking the working platform in extended position relative to said framework, abutment means on said platforms for foot pieces of drill feed legs, and means for taking up the reaction from drilling and feeding the drills on the platform through said abutments.

2. A means for driving tunnels in rock or similar material comprising a framework of :about a mans height forming a rigid cage having traction wheels mounted at the under side and a drillers working platform slidably mounted in the upper portion at about a mans height and movable from a retracted position over said framework to an extended position outwardly of the framework with one end only supported on the framework, means at the opposite end of said working platform for engaging the rock to support said opposite end, pusher leg mounted drills below and on said extended working platform, compressed air and flushing water connections for said drills on said framework, abutment means on said working platform for a foot portion of said pusher legs, and means for taking up the reaction from drilling and feedingv the drills on the platform through said abutments.

3. A drill wagon for tunneling in rock or the like by means of pusher feed leg mounted drills and comprising a carriage of about a mans height having f a drillers working platform slidable horizontally and longitudinally of said carriage at about a mans height above the level on which said carriage is movable, said platform providing abutment means for taking up the reaction from said pusher feed legs during feeding and drilling from said platform, and means for taking up the reaction from drilling and feeding the drills on the platform through said abutments.

4. A drill wagon for driving tunnels or the like and comprising a carriage movable on the ground which in operating position provides a first drill runners working space on the ground and a second drill runners working space just above said iirst space, a drill runners working platform carried by said carriage and movable lengthwise of the carriage from :a position in which said platformis completely carried on the carriage to a position in-which one end of the platform only issupported by the carriage and said first drill runners working space is provided below the platform, expansible supporting means on the platform for forming a support of the other end of the platform in extended position of the platform, means on-the platform at various distances from the extreme end of the platform for forming seats for a foot piece of a feed leg of a rock drill, compressed air and flushingl water distribution systems in the carriage arl ranged for connection to compressed air and flushing water supply conduits in a tunnel or the like, and a plurality of tapping couplings on said distribution system for connection of a plurality of rock drills.

5. A drill wagon for tunneling in rock or the like cornprising a carriage, supporting wheels on said carriage, a working platform slidably mounted on said carrage and movable from a retracted substantially centered position over said carriage to an extended working position outwardly of said carriage with one end only supported on said carriage, rollers on said carriage for supporting said one end, extensible means on the opposite end of said platform for engaging the rock to support said opposite end, means for locking said platform in retracted or extended position, extension platforms hingedly mounted on the sides of said working platform and movable from a position overlying the working platform to an extended position whereby the width of the working platform may be varied, means for slidably carrying supporting barsV in the working platform, bars slidably mounted in said means to extend below the extension platforms for supporting the same in extended position, said bars being retractable in said means within the confines of the working platform when the extension platforms are in position on the working platform,`sp'avced means on the Working platform and the extension' platforms providing abutments for a foot piece of a drill feeding means of the pusher leg type, and means for preventing movement of said carriage during drilling operations.

6. A drill wagon for tunneling in rock or the like comprisingl a carriage, supporting wheels on said carriage, a working platform slidably mounted on said carriage and movable-from a retracted substantially centered' position over said carriage to an extended workingl position outwardly of said carriage with one end only supported on saidY carriage, rollers onsaid carriage for supporting. said one end, extensible means onrthe opposite end of said platform for engaging the rock to support said opposite end, means for locking said working platform in: retracted or extended position, extension platforms hingedly mounted on the sides of the working platform and movable from a position overlying the working platform to an extended position whereby the width of the working platform may be varied, means for slidably carrying supportingV bars in the working platform, bars slidably mounted inv saidv means to exend below said extension platforms for supporting the same in extended position, said bars being retractable in said means within the contines of the working platform when the extension platforms are in position on the working platform, and spaced means on the working Vplatform and the extension platforms providing abutments for a foot piece of a drill feeding meansof the'pusher leg type.

7. A drill wagon for tunneling in rock or thelike comprising a carriage, supporting wheels on saidcarriage, a workingplatform slidably mounted on said carriage and movablefrom 'a retracted position overv said carriage to an extended working position outwardly of said carriage with one end only supported on said carriage, extensible'means on the oppositeend ofsaid platform for engaging the'rock to support saidv opposite end, extension platforms hingedly mounted oni the sides of vsaid working platform and movable from a position overlying the working platform to an extended position whereby the width of'the working platform may be varied, means for slidably carrying supporting bars in the working platforni, bars slidably mounted insaid means to'extend below said extension platforms for supportingthe same in extendedx position, said bars being retractable in said lmeans within the connes of the working platform when the'extension platforms are in position on the working platform, spaced means on the working platform and the extension 5 6 platforms providing abutments for a foot piece of a drill 1,960,355 Tamini May 29, 1934 feeding means of the pusher leg type, and means for 1,992,129 Parker Feb. 19, 1935 taking up the reaction from drilling and feeding of drills 2,053,665 Hirschberg Sept. 8, 1936 on the platforms through said abutments. 2,396,365 Feucht Mar. 12, 1946 t 5 2,614,807 Curtis Oct. 21, 1952 References Cited 1n the le of this patent FOREIGN PATENTS UNITED STATES PATENTS 319,933 Great Britain oct. 3, 1929 1,111,814 Waterson Sept- 29, 1914 962,950 France June 23, 1950 1,196,309 Stern Aug. 29, 1916 10 1,885,295 Robinson Nov. 1, 1932 

